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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
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    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
            
        }
    div{
        /* margin: 0 auto; */
        height: 200px;
        width: 200px;
        border-radius: 50%;
        background-color: deepskyblue;
        text-align: center;
        line-height: 200px;
    }
    </style>
</head>
<body>

    <div>
        Clear
    </div>

    <script>
        
        document.querySelector('div').addEventListener('touchstart',function(){
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            window.localStorage.removeItem('prize')
            this.innerText = 'OK'
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